Home / 30,350.16-45,524.88-17,955.36

Finding the Fourth Proportional to 30,350.16, 45,524.88 and 17,955.36

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Solution

The fourth proportional to 30,350.16, 45,524.88 and 17,955.36 is: 26,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.16 : 45,524.88 = 17,955.36 : x
  2. Step 2: Convert to fraction form
    30,350.16/45,524.88 = 17,955.36/x
  3. Step 3: Cross multiply
    30,350.16x = 45,524.88 × 17,955.36
  4. Step 4: Simplify right side
    30,350.16x = 817,415,609.36
  5. Step 5: Solve for x
    x = 817,415,609.36/30,350.16
  6. Step 6: Final answer
    x = 26,932.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.